[PATCH 26/32] arc: Assign parents for event_source devices

From: Jonathan Cameron
Date: Tue Apr 04 2023 - 09:57:41 EST


Currently the PMU device appears directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parent to be the platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/
Cc: Vineet Gupta <vgupta@xxxxxxxxxx>002
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
arch/arc/kernel/perf_event.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index adff957962da..bd4c2c110afe 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -788,6 +788,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
arc_pmu->attr_groups[ARCPMU_ATTR_GR_FORMATS] = &arc_pmu_format_attr_gr;

arc_pmu->pmu = (struct pmu) {
+ .parent = &pdev->dev,
.pmu_enable = arc_pmu_enable,
.pmu_disable = arc_pmu_disable,
.event_init = arc_pmu_event_init,
--
2.37.2